1.0.29 release

GRUB2/MOD_SRC/grub-2.04/grub-core/commands/search.c

@@ -0,0 +1,353 @@
+/* search.c - search devices based on a file or a filesystem label */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2005,2007,2008,2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/types.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/err.h>
+#include <grub/dl.h>
+#include <grub/device.h>
+#include <grub/file.h>
+#include <grub/env.h>
+#include <grub/command.h>
+#include <grub/search.h>
+#include <grub/i18n.h>
+#include <grub/disk.h>
+#include <grub/partition.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+static int g_no_vtoyefi_part = 0;
+static char g_vtoyefi_dosname[64];
+static char g_vtoyefi_gptname[64];
+
+struct cache_entry
+{
+  struct cache_entry *next;
+  char *key;
+  char *value;
+};
+
+static struct cache_entry *cache;
+
+/* Context for FUNC_NAME.  */
+struct search_ctx
+{
+  const char *key;
+  const char *var;
+  int no_floppy;
+  char **hints;
+  unsigned nhints;
+  int count;
+  int is_cache;
+};
+
+/* Helper for FUNC_NAME.  */
+static int
+iterate_device (const char *name, void *data)
+{
+  struct search_ctx *ctx = data;
+  int found = 0;
+
+  /* Skip floppy drives when requested.  */
+  if (ctx->no_floppy &&
+      name[0] == 'f' && name[1] == 'd' && name[2] >= '0' && name[2] <= '9')
+    return 1;
+
+  if (g_no_vtoyefi_part && (grub_strcmp(name, g_vtoyefi_dosname) == 0 || grub_strcmp(name, g_vtoyefi_gptname) == 0)) {
+    return 0;
+  }
+
+#ifdef DO_SEARCH_FS_UUID
+#define compare_fn grub_strcasecmp
+#else
+#define compare_fn grub_strcmp
+#endif
+
+#ifdef DO_SEARCH_FILE
+    {
+      char *buf;
+      grub_file_t file;
+
+      buf = grub_xasprintf ("(%s)%s", name, ctx->key);
+      if (! buf)
+	return 1;
+
+      file = grub_file_open (buf, GRUB_FILE_TYPE_FS_SEARCH
+			     | GRUB_FILE_TYPE_NO_DECOMPRESS);
+      if (file)
+	{
+	  found = 1;
+	  grub_file_close (file);
+	}
+      grub_free (buf);
+    }
+#else
+    {
+      /* SEARCH_FS_UUID or SEARCH_LABEL */
+      grub_device_t dev;
+      grub_fs_t fs;
+      char *quid;
+
+      dev = grub_device_open (name);
+      if (dev)
+	{
+	  fs = grub_fs_probe (dev);
+
+#ifdef DO_SEARCH_FS_UUID
+#define read_fn fs_uuid
+#else
+#define read_fn fs_label
+#endif
+
+	  if (fs && fs->read_fn)
+	    {
+	      fs->read_fn (dev, &quid);
+
+	      if (grub_errno == GRUB_ERR_NONE && quid)
+		{
+		  if (compare_fn (quid, ctx->key) == 0)
+		    found = 1;
+
+		  grub_free (quid);
+		}
+	    }
+
+	  grub_device_close (dev);
+	}
+    }
+#endif
+
+  if (!ctx->is_cache && found && ctx->count == 0)
+    {
+      struct cache_entry *cache_ent;
+      cache_ent = grub_malloc (sizeof (*cache_ent));
+      if (cache_ent)
+	{
+	  cache_ent->key = grub_strdup (ctx->key);
+	  cache_ent->value = grub_strdup (name);
+	  if (cache_ent->value && cache_ent->key)
+	    {
+	      cache_ent->next = cache;
+	      cache = cache_ent;
+	    }
+	  else
+	    {
+	      grub_free (cache_ent->value);
+	      grub_free (cache_ent->key);
+	      grub_free (cache_ent);
+	      grub_errno = GRUB_ERR_NONE;
+	    }
+	}
+      else
+	grub_errno = GRUB_ERR_NONE;
+    }
+
+  if (found)
+    {
+      ctx->count++;
+      if (ctx->var)
+	grub_env_set (ctx->var, name);
+      else
+	grub_printf (" %s", name);
+    }
+
+  grub_errno = GRUB_ERR_NONE;
+  return (found && ctx->var);
+}
+
+/* Helper for FUNC_NAME.  */
+static int
+part_hook (grub_disk_t disk, const grub_partition_t partition, void *data)
+{
+  struct search_ctx *ctx = data;
+  char *partition_name, *devname;
+  int ret;
+
+  partition_name = grub_partition_get_name (partition);
+  if (! partition_name)
+    return 1;
+
+  devname = grub_xasprintf ("%s,%s", disk->name, partition_name);
+  grub_free (partition_name);
+  if (!devname)
+    return 1;
+  ret = iterate_device (devname, ctx);
+  grub_free (devname);    
+
+  return ret;
+}
+
+/* Helper for FUNC_NAME.  */
+static void
+try (struct search_ctx *ctx)    
+{
+  unsigned i;
+  struct cache_entry **prev;
+  struct cache_entry *cache_ent;
+
+  for (prev = &cache, cache_ent = *prev; cache_ent;
+       prev = &cache_ent->next, cache_ent = *prev)
+    if (compare_fn (cache_ent->key, ctx->key) == 0)
+      break;
+  if (cache_ent)
+    {
+      ctx->is_cache = 1;
+      if (iterate_device (cache_ent->value, ctx))
+	{
+	  ctx->is_cache = 0;
+	  return;
+	}
+      ctx->is_cache = 0;
+      /* Cache entry was outdated. Remove it.  */
+      if (!ctx->count)
+	{
+	  *prev = cache_ent->next;
+	  grub_free (cache_ent->key);
+	  grub_free (cache_ent->value);
+	  grub_free (cache_ent);
+	}
+    }
+
+  for (i = 0; i < ctx->nhints; i++)
+    {
+      char *end;
+      if (!ctx->hints[i][0])
+	continue;
+      end = ctx->hints[i] + grub_strlen (ctx->hints[i]) - 1;
+      if (*end == ',')
+	*end = 0;
+      if (iterate_device (ctx->hints[i], ctx))
+	{
+	  if (!*end)
+	    *end = ',';
+	  return;
+	}
+      if (!*end)
+	{
+	  grub_device_t dev;
+	  int ret;
+	  dev = grub_device_open (ctx->hints[i]);
+	  if (!dev)
+	    {
+	      if (!*end)
+		*end = ',';
+	      continue;
+	    }
+	  if (!dev->disk)
+	    {
+	      grub_device_close (dev);
+	      if (!*end)
+		*end = ',';
+	      continue;
+	    }
+	  ret = grub_partition_iterate (dev->disk, part_hook, ctx);
+	  if (!*end)
+	    *end = ',';
+	  grub_device_close (dev);
+	  if (ret)
+	    return;
+	}
+    }
+  grub_device_iterate (iterate_device, ctx);
+}
+
+void
+FUNC_NAME (const char *key, const char *var, int no_floppy,
+	   char **hints, unsigned nhints)
+{
+  struct search_ctx ctx = {
+    .key = key,
+    .var = var,
+    .no_floppy = no_floppy,
+    .hints = hints,
+    .nhints = nhints,
+    .count = 0,
+    .is_cache = 0
+  };
+  grub_fs_autoload_hook_t saved_autoload;
+
+  g_no_vtoyefi_part = 0;
+  if (grub_env_get("VTOY_SEARCH_NO_VTOYEFI"))
+  {
+      grub_snprintf(g_vtoyefi_dosname, sizeof(g_vtoyefi_dosname), "%s,msdos2", grub_env_get("vtoydev"));
+      grub_snprintf(g_vtoyefi_gptname, sizeof(g_vtoyefi_gptname), "%s,gpt2", grub_env_get("vtoydev"));
+      g_no_vtoyefi_part = 1;
+  }
+
+  /* First try without autoloading if we're setting variable. */
+  if (var)
+    {
+      saved_autoload = grub_fs_autoload_hook;
+      grub_fs_autoload_hook = 0;
+      try (&ctx);
+
+      /* Restore autoload hook.  */
+      grub_fs_autoload_hook = saved_autoload;
+
+      /* Retry with autoload if nothing found.  */
+      if (grub_errno == GRUB_ERR_NONE && ctx.count == 0)
+	try (&ctx);
+    }
+  else
+    try (&ctx);
+
+  if (grub_errno == GRUB_ERR_NONE && ctx.count == 0)
+    grub_error (GRUB_ERR_FILE_NOT_FOUND, "no such device: %s", key);
+}
+
+static grub_err_t
+grub_cmd_do_search (grub_command_t cmd __attribute__ ((unused)), int argc,
+		    char **args)
+{
+  if (argc == 0)
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected"));
+
+  FUNC_NAME (args[0], argc == 1 ? 0 : args[1], 0, (args + 2),
+	     argc > 2 ? argc - 2 : 0);
+
+  return grub_errno;
+}
+
+static grub_command_t cmd;
+
+#ifdef DO_SEARCH_FILE
+GRUB_MOD_INIT(search_fs_file)
+#elif defined (DO_SEARCH_FS_UUID)
+GRUB_MOD_INIT(search_fs_uuid)
+#else
+GRUB_MOD_INIT(search_label)
+#endif
+{
+  cmd =
+    grub_register_command (COMMAND_NAME, grub_cmd_do_search,
+			   N_("NAME [VARIABLE] [HINTS]"),
+			   HELP_MESSAGE);
+}
+
+#ifdef DO_SEARCH_FILE
+GRUB_MOD_FINI(search_fs_file)
+#elif defined (DO_SEARCH_FS_UUID)
+GRUB_MOD_FINI(search_fs_uuid)
+#else
+GRUB_MOD_FINI(search_label)
+#endif
+{
+  grub_unregister_command (cmd);
+}

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c

@@ -1111,26 +1111,13 @@ void ventoy_swap_img(img_info *img1, img_info *img2)
 
 static int ventoy_img_name_valid(const char *filename, grub_size_t namelen)
 {
-    grub_size_t i;
-
+    (void)namelen;
+    
     if (g_filt_dot_underscore_file && filename[0] == '.' && filename[1] == '_')
     {
         return 0;
     }
 
-    for (i = 0; i < namelen; i++)
-    {
-        if (filename[i] == ' ' || filename[i] == '\t')
-        {
-            return 0;
-        }
-
-        if ((grub_uint8_t)(filename[i]) >= 127)
-        {
-            return 0;
-        }
-    }
-
     return 1;
 }
 
@@ -1150,7 +1137,7 @@ static int ventoy_check_ignore_flag(const char *filename, const struct grub_dirh
 
 static int ventoy_colect_img_files(const char *filename, const struct grub_dirhook_info *info, void *data)
 {
-    int i = 0;
+    //int i = 0;
     int type = 0;
     int ignore = 0;
     int index = 0;
@@ -1297,15 +1284,6 @@ static int ventoy_colect_img_files(const char *filename, const struct grub_dirho
             img->plugin_list_index = index;
             grub_snprintf(img->name, sizeof(img->name), "%s", filename);
 
-            for (i = 0; i < (int)len; i++)
-            {
-                if (filename[i] == ' ' || filename[i] == '\t' || (0 == grub_isprint(filename[i])))
-                {
-                    img->name[i] = '*';
-                    img->unsupport = 1;
-                }
-            }
-            
             img->pathlen = grub_snprintf(img->path, sizeof(img->path), "%s%s", node->dir, img->name);
 
             img->size = info->size;
@@ -4001,6 +3979,7 @@ static cmd_para ventoy_cmds[] =
     { "vt_windows_locate_wim_patch", ventoy_cmd_locate_wim_patch, 0, NULL, "", "", NULL },
     { "vt_windows_count_wim_patch", ventoy_cmd_wim_patch_count, 0, NULL, "", "", NULL },
     { "vt_dump_wim_patch", ventoy_cmd_dump_wim_patch, 0, NULL, "", "", NULL },
+    { "vt_wim_check_bootable", ventoy_cmd_wim_check_bootable, 0, NULL, "", "", NULL },
     { "vt_wim_chain_data", ventoy_cmd_wim_chain_data, 0, NULL, "", "", NULL },
 
     { "vt_add_replace_file", ventoy_cmd_add_replace_file, 0, NULL, "", "", NULL },

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h

@@ -508,6 +508,7 @@ grub_err_t ventoy_cmd_load_plugin(grub_extcmd_context_t ctxt, int argc, char **a
 grub_err_t ventoy_cmd_wimdows_reset(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_windows_chain_data(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_wim_chain_data(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_wim_check_bootable(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_dump_wim_patch(grub_extcmd_context_t ctxt, int argc, char **args);
 
 VTOY_JSON *vtoy_json_find_item
@@ -731,6 +732,24 @@ typedef struct install_template
     struct install_template *next;
 }install_template;
 
+typedef struct dudfile
+{
+    int size;
+    char *buf;
+}dudfile;
+
+typedef struct dud
+{
+    int pathlen;
+    char isopath[256];
+
+    int dudnum;
+    file_fullpath *dudpath;
+    dudfile *files;
+
+    struct dud *next;
+}dud;
+
 typedef struct persistence_config
 {
     int pathlen;
@@ -855,6 +874,8 @@ const char * ventoy_plugin_get_menu_class(int type, const char *name);
 int ventoy_plugin_check_memdisk(const char *isopath);
 int ventoy_plugin_get_image_list_index(int type, const char *name);
 conf_replace * ventoy_plugin_find_conf_replace(const char *iso);
+dud * ventoy_plugin_find_dud(const char *iso);
+int ventoy_plugin_load_dud(dud *node, const char *isopart);
 int ventoy_get_block_list(grub_file_t file, ventoy_img_chunk_list *chunklist, grub_disk_addr_t start);
 int ventoy_check_block_list(grub_file_t file, ventoy_img_chunk_list *chunklist, grub_disk_addr_t start);
 void ventoy_plugin_dump_persistence(void);

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_linux.c

@@ -1044,11 +1044,15 @@ grub_err_t ventoy_cmd_cpio_busybox_64(grub_extcmd_context_t ctxt, int argc, char
 
 grub_err_t ventoy_cmd_load_cpio(grub_extcmd_context_t ctxt, int argc, char **args)
 {
+    int i;
     int rc;
+    char *pos = NULL;
     char *template_file = NULL;
     char *template_buf = NULL;
     char *persistent_buf = NULL;
     char *injection_buf = NULL;
+    dud *dudnode = NULL;
+    char tmpname[128];
     const char *injection_file = NULL;
     grub_uint8_t *buf = NULL;
     grub_uint32_t mod;
@@ -1059,6 +1063,7 @@ grub_err_t ventoy_cmd_load_cpio(grub_extcmd_context_t ctxt, int argc, char **arg
     grub_uint32_t template_size = 0;
     grub_uint32_t persistent_size = 0;
     grub_uint32_t injection_size = 0;
+    grub_uint32_t dud_size = 0;
     grub_file_t file;
     grub_file_t tmpfile;
     ventoy_img_chunk_list chunk_list;
@@ -1152,11 +1157,30 @@ grub_err_t ventoy_cmd_load_cpio(grub_extcmd_context_t ctxt, int argc, char **arg
         debug("injection not configed %s\n", args[1]);
     }
 
-    g_ventoy_cpio_buf = grub_malloc(file->size + 4096 + template_size + persistent_size + injection_size + img_chunk_size);
+    dudnode = ventoy_plugin_find_dud(args[1]);
+    if (dudnode)
+    {
+        debug("dud file: <%d>\n", dudnode->dudnum);
+        ventoy_plugin_load_dud(dudnode, args[2]);
+        for (i = 0; i < dudnode->dudnum; i++)
+        {
+            if (dudnode->files[i].size > 0)
+            {
+                dud_size += dudnode->files[i].size + sizeof(cpio_newc_header);                
+            }
+        }
+    }
+    else
+    {
+        debug("dud not configed %s\n", args[1]);
+    }
+
+    g_ventoy_cpio_buf = grub_malloc(file->size + 40960 + template_size + 
+        persistent_size + injection_size + dud_size + img_chunk_size);
     if (NULL == g_ventoy_cpio_buf)
     {
         grub_file_close(file);
-        return grub_error(GRUB_ERR_BAD_ARGUMENT, "Can't alloc memory %llu\n", file->size + 4096 + img_chunk_size); 
+        return grub_error(GRUB_ERR_BAD_ARGUMENT, "Can't alloc memory %llu\n", file->size);
     }
 
     grub_file_read(file, g_ventoy_cpio_buf, file->size);
@@ -1198,6 +1222,18 @@ grub_err_t ventoy_cmd_load_cpio(grub_extcmd_context_t ctxt, int argc, char **arg
         injection_buf = NULL;
     }
 
+    if (dud_size > 0)
+    {
+        for (i = 0; i < dudnode->dudnum; i++)
+        {
+            pos = grub_strrchr(dudnode->dudpath[i].path, '.');
+            grub_snprintf(tmpname, sizeof(tmpname), "ventoy/ventoy_dud%d%s", i, (pos ? pos : ".iso"));
+            dud_size = dudnode->files[i].size;
+            headlen = ventoy_cpio_newc_fill_head(buf, dud_size, dudnode->files[i].buf, tmpname);
+            buf += headlen + ventoy_align(dud_size, 4);
+        }
+    }
+
     /* step2: insert os param to cpio */
     headlen = ventoy_cpio_newc_fill_head(buf, 0, NULL, "ventoy/ventoy_os_param");
     padlen = sizeof(ventoy_os_param);

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_plugin.c

@@ -41,6 +41,7 @@ GRUB_MOD_LICENSE ("GPLv3+");
 
 static char g_iso_disk_name[128];
 static install_template *g_install_template_head = NULL;
+static dud *g_dud_head = NULL;
 static persistence_config *g_persistence_head = NULL;
 static menu_alias *g_menu_alias_head = NULL;
 static menu_class *g_menu_class_head = NULL;
@@ -590,6 +591,110 @@ static int ventoy_plugin_auto_install_entry(VTOY_JSON *json, const char *isodisk
     return 0;
 }
 
+static int ventoy_plugin_dud_check(VTOY_JSON *json, const char *isodisk)
+{
+    int pathnum = 0;
+    const char *iso = NULL;
+    VTOY_JSON *pNode = NULL;
+
+    if (json->enDataType != JSON_TYPE_ARRAY)
+    {
+        grub_printf("Not array type %d\n", json->enDataType);
+        return 1;
+    }
+
+    for (pNode = json->pstChild; pNode; pNode = pNode->pstNext)
+    {
+        if (pNode->enDataType != JSON_TYPE_OBJECT)
+        {
+            grub_printf("NOT object type\n");
+        }
+    
+        iso = vtoy_json_get_string_ex(pNode->pstChild, "image");
+        if (iso)
+        {
+            if (0 == ventoy_plugin_check_path(isodisk, iso))
+            {
+                grub_printf("image: %s [OK]\n", iso);
+                ventoy_plugin_check_fullpath(pNode->pstChild, isodisk, "dud", &pathnum);
+            }
+            else
+            {
+                grub_printf("image: %s [FAIL]\n", iso);
+            }
+        }
+        else
+        {
+            grub_printf("image not found\n");
+        }
+    }
+
+    return 0;
+}
+
+static int ventoy_plugin_dud_entry(VTOY_JSON *json, const char *isodisk)
+{
+    int pathnum = 0;
+    const char *iso = NULL;
+    VTOY_JSON *pNode = NULL;
+    dud *node = NULL;
+    dud *next = NULL;
+    file_fullpath *dudpath = NULL;
+
+    if (json->enDataType != JSON_TYPE_ARRAY)
+    {
+        debug("Not array %d\n", json->enDataType);
+        return 0;
+    }
+
+    if (g_dud_head)
+    {
+        for (node = g_dud_head; node; node = next)
+        {
+            next = node->next;
+            grub_check_free(node->dudpath);
+            grub_free(node);
+        }
+
+        g_dud_head = NULL;
+    }
+
+    for (pNode = json->pstChild; pNode; pNode = pNode->pstNext)
+    {
+        iso = vtoy_json_get_string_ex(pNode->pstChild, "image");
+        if (iso && iso[0] == '/')
+        {
+            if (0 == ventoy_plugin_parse_fullpath(pNode->pstChild, isodisk, "dud", &dudpath, &pathnum))
+            {
+                node = grub_zalloc(sizeof(dud));
+                if (node)
+                {
+                    node->pathlen = grub_snprintf(node->isopath, sizeof(node->isopath), "%s", iso);
+                    node->dudpath = dudpath;
+                    node->dudnum = pathnum;
+                    node->files = grub_zalloc(sizeof(dudfile) * pathnum);
+
+                    if (node->files)
+                    {
+                        if (g_dud_head)
+                        {
+                            node->next = g_dud_head;
+                        }
+                        
+                        g_dud_head = node;
+                    }
+                    else
+                    {
+                        grub_free(node);
+                    }
+                }
+            }
+        }
+    }
+
+    return 0;
+}
+
 static int ventoy_plugin_persistence_check(VTOY_JSON *json, const char *isodisk)
 {
     int autosel = 0;
@@ -1333,6 +1438,7 @@ static plugin_entry g_plugin_entries[] =
     { "auto_memdisk", ventoy_plugin_auto_memdisk_entry, ventoy_plugin_auto_memdisk_check },
     { "image_list", ventoy_plugin_image_list_entry, ventoy_plugin_image_list_check },
     { "conf_replace", ventoy_plugin_conf_replace_entry, ventoy_plugin_conf_replace_check },
+    { "dud", ventoy_plugin_dud_entry, ventoy_plugin_dud_check },
 };
 
 static int ventoy_parse_plugin_config(VTOY_JSON *json, const char *isodisk)
@@ -1761,6 +1867,59 @@ conf_replace * ventoy_plugin_find_conf_replace(const char *iso)
     return NULL;
 }
 
+dud * ventoy_plugin_find_dud(const char *iso)
+{
+    int len;
+    dud *node;
+
+    if (!g_dud_head)
+    {
+        return NULL;
+    }
+
+    len = (int)grub_strlen(iso);
+    for (node = g_dud_head; node; node = node->next)
+    {
+        if (node->pathlen == len && grub_strncmp(iso, node->isopath, len) == 0)
+        {
+            return node;
+        }
+    }
+    
+    return NULL;
+}
+
+int ventoy_plugin_load_dud(dud *node, const char *isopart)
+{
+    int i;
+    char *buf;
+    grub_file_t file;
+
+    for (i = 0; i < node->dudnum; i++)
+    {
+        if (node->files[i].size > 0)
+        {
+            debug("file %d has been loaded\n", i);
+            continue;
+        }
+    
+        file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s%s", isopart, node->dudpath[i].path);
+        if (file)
+        {
+            buf = grub_malloc(file->size);
+            if (buf)
+            {
+                grub_file_read(file, buf, file->size);            
+                node->files[i].size = (int)file->size;
+                node->files[i].buf = buf;                
+            }
+            grub_file_close(file);
+        }
+    }
+
+    return 0;
+}
+
 grub_err_t ventoy_cmd_plugin_check_json(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     int i = 0;
@@ -1782,6 +1941,7 @@ grub_err_t ventoy_cmd_plugin_check_json(grub_extcmd_context_t ctxt, int argc, ch
     if (!file)
     {
         grub_printf("Plugin json file /ventoy/ventoy.json does NOT exist.\n");
+        grub_printf("Attention: directory name and filename are both case-sensitive.\n");
         goto end;
     }
 

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_windows.c

@@ -1542,6 +1542,41 @@ static int ventoy_get_wim_chunklist(const char *filename, ventoy_img_chunk_list
     return 0;
 }
 
+grub_err_t ventoy_cmd_wim_check_bootable(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    grub_uint32_t boot_index;
+    grub_file_t file = NULL;
+    wim_header *wimhdr = NULL;
+    
+    (void)ctxt;
+    (void)argc;
+
+    wimhdr = grub_zalloc(sizeof(wim_header));
+    if (!wimhdr)
+    {
+        return 1;
+    }
+
+    file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", args[0]);
+    if (!file)
+    {
+        grub_free(wimhdr);
+        return 1;
+    }
+
+    grub_file_read(file, wimhdr, sizeof(wim_header));
+    grub_file_close(file);
+    boot_index = wimhdr->boot_index;
+    grub_free(wimhdr);
+
+    if (boot_index == 0)
+    {
+        return 1;
+    }
+    
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
 grub_err_t ventoy_cmd_wim_chain_data(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     grub_uint32_t i = 0;